Jim Cramer's Mad Money Lightning Round Stock Picks 5/12

Lightning Round stock picks from Jim Cramer's Friday, May 12 Mad Money TV program. Click on a stock ticker for more analysis:

Bullish calls:

Tenaris (TS): 'Oil piping is one of the hottest bull markets... I think TS is the best pipeline company in the show.'
Oregon Steel Mills, Inc. (OS)
PetroChina Co. Ltd. (PTR)
Inbev (INB. BR)
Openwave Systems, Inc. (OPWV)
Microsoft Corp. (MSFT): 'it was trying to do a little bottoming here today, and they do have $60 billion in cash... I would no longer sell MSFT, it's just too darn low.'
FlOUR Corp. (FLR)
McDermott International (MDR)
Crocs, Inc. (CROX)
Foster Wheeler Ltd (FWLT)
Buhrmann NV (BUR): 'Office Depot (ODP) will probably buy Burhmann NV... normally on this show, we do not speculate on takeovers... but you need to take them seriously if Citigroup suggests this might happen.'

Bearish calls:

Powerwave Technology (PWAV)
Petroleo Brasileiro (PBR)
Sirius Satellite Radio (SIRI)
Goldcorp Inc. (GG):'This is the first day down. I think you have to wait for a little more of a pullback.'
Pacific Ethanol (PEIX):'Up - as of today - 300% in one year.'